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(a) Mean Sea level pressure and isotherms in western Pacific and (b) wind rose in Shanghai during day time (8:00–18:00) in summer. (c) Landsat 8 satellite-retrieved land-use maps of the YRD region. (d) Sensitivity regimes defined by satellite data of the YRD region in summer. The red dots represent urban station, while the blue dot represents suburb station. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)
